Ohtake Root Kogyo Co., Ltd.
|Ohtake Root Kogyo Co., Ltd. Patent applications|
|Patent application number||Title||Published|
|20120067176||AUTOMATIC SCREW TIGHTENING APPARATUS - In an automatic screw tightening apparatus, a feed head unit is movable to and from close contact with a driver bit portion. The driver bit portion contacts the screw and sucks the head portion of the screw in close contact. The feed head unit includes a longitudinal groove opened to the outside and connected to a vertically extending screw feed hole. Only a thread portion of the screw is capable of horizontally advancing and retreating in the longitudinal groove.||03-22-2012|
|20110252927||AUTOMATIC SCREW TIGHTENING APPARATUS - There is provided an automatic screw tightening apparatus which suppresses damage of an inner wall of a transfer tube, stabilizes the posture of the screw, stably supplies the screw to a driver bit, and reduce screw tightening time.||10-20-2011|
|20110209589||AUTOMATIC SCREW TIGHTENING APPARATUS - An automatic screw tightening apparatus has a screw discharging unit for transferring a screw to a transfer tube, an engaging unit for engaging the head part of the screw transferred from the transfer tube with a front end of a driver, and an openable and closable sealing cover for preventing air from leaking and which is opened and exposes the screw for tightening.||09-01-2011|
Patent applications by Ohtake Root Kogyo Co., Ltd.